Projector calculators
Four free tools for your setup questions — how far to place the projector, how big a screen you can fill, how bright it needs to be, and how far to sit. Each works from real projector math, no sign-up.
Throw calculator by model
Pick your exact projector from the database and get its throw distance.
Open calculatorThrow distance calculator
Enter screen size and throw ratio to get the exact distance to place your projector.
Open calculatorScreen size calculator
Enter your throw distance and ratio to find the largest screen that fits your room.
Open calculatorLumens calculator
Enter screen size and room lighting to get the projector brightness you need.
Open calculatorViewing distance calculator
Enter your screen size to get the THX and SMPTE recommended seating distance.
Open calculatorAspect ratio calculator
Enter a diagonal and aspect ratio to get exact screen width and height.
Open calculatorPower & running-cost calculator
Get electricity use, yearly cost, and a lamp-vs-laser cost comparison.
Open calculatorBrightness calculator
Enter lumens, screen size and gain to get foot-lamberts, nits and a verdict.